Without warning, the music started back up and black lights flicked on.

If anybody was coming after her, the lights would be flicking on and off.

He smiled, and Faith felt as if an electric light had flicked on inside her.

The lights flicked on in response to his presence.

The red light went out and a green light flicked on.

He pressed a button, and a small green light flicked on.

The lights in the forest flicked on; the house blazed.

The lights flicked on one after another, in long banks.

My red light flicked on right on schedule at 4:28.

Behind them lights flicked on in the trees over the market, and the air began to chill.